ELECTRONIC PROPERTIES OF PURE AND INTERCALATED 2H-NbS2 BY MEANS OF PHOTOACOUSTIC SPECTROSCOPY P. S. Bechthold, R. Manzke et R. SchöllhornJ. Phys. Colloques, 44 C6 (1983) C6-159-C6-163DOI: https://doi.org/10.1051/jphyscol:1983624